The book, The Illustrated Directory of the United States Air Force, is a comprehensive single volume encyclopedia of information that was current as of late 1989.  It is especially designed to provide an instant reference to the entire spectrum of the world's foremost fighting force.  The scope of the United States Air Force's operations include civilian and military personnel who work at bases and installations throughout the world.  This first edition of "The Illustrated Directory of the United States Air Force" is a fairly unique single source reference guide to the organization, bases, aircraft and weapons systems of the modern United States Air Force and reviews both regular and reserve forces.  When originally published, it was touted to be the first comprehensive key to be produced, providing an easy reference approach to the United States Air Force's vast and complicated multinational organization.  Cross-references throughout this book detail where aircraft and strategic missiles were stationed and under which commands they operated as of 1989.  The major sections of this book are as follows: 1) How To Use This Book; 2) Foreword; 3) Introduction; 4) Commands, Direct Reporting Units and Separate Operating Agencies; 5) Bases; 6) Aircraft; 7) Missiles and Space Launchers; 8) Budgets FY 1990 / 1991 and 9) Appendices.  In addition to an informative narrative, this book includes the following features: 1) 8 black and white vintage photographs; 2) Approximately 284 color photographs; 3) About 27 color illustrations and 4) 1 map.  This book is sure to appeal to anyone interested in the history of the United States Air Force and through the ages the aircraft they have flown.  This book is 256 pages and is in excellent condition.  The author is Michael Roberts.  Edition published in 1989.